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What is the Least Common Multiple of 67649 and 67655?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 67649 and 67655 is 4576793095.

LCM(67649,67655) = 4576793095

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Least Common Multiple of 67649 and 67655 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67649 and 67655, than apply into the LCM equation.

GCF(67649,67655) = 1
LCM(67649,67655) = ( 67649 × 67655) / 1
LCM(67649,67655) = 4576793095 / 1
LCM(67649,67655) = 4576793095

Least Common Multiple (LCM) of 67649 and 67655 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67649 and 67655. First we will calculate the prime factors of 67649 and 67655.

Prime Factorization of 67649

Prime factors of 67649 are 61, 1109. Prime factorization of 67649 in exponential form is:

67649 = 611 × 11091

Prime Factorization of 67655

Prime factors of 67655 are 5, 7, 1933. Prime factorization of 67655 in exponential form is:

67655 = 51 × 71 × 19331

Now multiplying the highest exponent prime factors to calculate the LCM of 67649 and 67655.

LCM(67649,67655) = 611 × 11091 × 51 × 71 × 19331
LCM(67649,67655) = 4576793095